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<script>
    // Person.prototype 也是函数是对象的表现
    // constructor + prototype = 抽象的类
    // 构造函数
    function Person(name,age){
        this.name = name;
        this.age = age;
    }
    Person.prototype ={
        species:'人类',
    }
    var su = new Person('舒老板',19);// 实例 对象
    console.log(su.__proto__==Person.prototype);
    console.log(Person == Person.prototype.constructor);
</script>
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